/*
 *  ====================================================================
 *  The Apache Software License, Version 1.1
 *
 *  Copyright (c) 2002 The Apache Software Foundation.  All rights
 *  reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *
 *  1. Redistributions of source code must retain the above copyright
 *  notice, this list of conditions and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following disclaimer in
 *  the documentation and/or other materials provided with the
 *  distribution.
 *
 *  3. The end-user documentation included with the redistribution,
 *  if any, must include the following acknowledgment:
 *  "This product includes software developed by the
 *  Apache Software Foundation (http://www.apache.org/)."
 *  Alternately, this acknowledgment may appear in the software itself,
 *  if and wherever such third-party acknowledgments normally appear.
 *
 *  4. The names "Apache" and "Apache Software Foundation" and
 *  "Apache POI" must not be used to endorse or promote products
 *  derived from this software without prior written permission. For
 *  written permission, please contact apache@apache.org.
 *
 *  5. Products derived from this software may not be called "Apache",
 *  "Apache POI", nor may "Apache" appear in their name, without
 *  prior written permission of the Apache Software Foundation.
 *
 *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *  DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 *  ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 *  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 *  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 *  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 *  SUCH DAMAGE.
 *  ====================================================================
 *
 *  This software consists of voluntary contributions made by many
 *  individuals on behalf of the Apache Software Foundation.  For more
 *  information on the Apache Software Foundation, please see
 *  <http://www.apache.org/>.
 */
/*
 *  BiffViewer.java
 *
 *  Created on November 13, 2001, 9:23 AM
 */
package org.apache.poi.hssf.dev;

import org.apache.poi.hssf.record.*;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.util.HexDump;
import org.apache.poi.util.LittleEndian;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;

/**
 *  Utillity for reading in BIFF8 records and displaying data from them.
 *
 *@author     Andrew C. Oliver (acoliver at apache dot org)
 *@author     Glen Stampoultzis (glens at apache.org)
 *@see        #main
 */

public class BiffViewer {
    String filename;
    private boolean dump;


    /**
     *  Creates new BiffViewer
     *
     *@param  args
     */

    public BiffViewer(String[] args) {
        if (args.length > 0) {
            filename = args[0];
        } else {
            System.out.println("BIFFVIEWER REQUIRES A FILENAME***");
        }
    }


    /**
     *  Method run starts up BiffViewer...
     */

    public void run() {
        try {
            POIFSFileSystem fs =
                    new POIFSFileSystem(new FileInputStream(filename));
            InputStream stream =
                    fs.createDocumentInputStream("Workbook");
            Record[] records = createRecords(stream, dump);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }


    /**
     *  Create an array of records from an input stream
     *
     *@param  in                         the InputStream from which the records
     *      will be obtained
     *@param  dump
     *@return                            an array of Records created from the
     *      InputStream
     *@exception  RecordFormatException  on error processing the InputStream
     */

    public static Record[] createRecords(InputStream in, boolean dump)
             throws RecordFormatException {
        ArrayList records = new ArrayList();
        Record last_record = null;
        int loc = 0;

        try {
//            long  offset  = 0;
            short rectype = 0;

            do {
                rectype = LittleEndian.readShort(in);
                System.out.println("============================================");
                System.out.println("Offset 0x" + Integer.toHexString(loc) + " (" + loc + ")");
                loc += 2;
                if (rectype != 0) {
                    short recsize = LittleEndian.readShort(in);

                    loc += 2;
                    byte[] data = new byte[(int) recsize];

                    in.read(data);
                    if ((rectype == WSBoolRecord.sid) && (recsize == 0)) {
                        System.out.println(loc);
                    }
                    loc += recsize;
//                    offset += 4 + recsize;
                    if (dump) {
                        dump(rectype, recsize, data);
                    }
                    Record[] recs = createRecord(rectype, recsize,
                            data);
                    // handle MulRK records

                    Record record = recs[0];

                    if ((record instanceof UnknownRecord)
                            && !dump) {
                        // if we didn't already dump
                        // just cause dump was on and we're hit an unknow
                        dumpUnknownRecord(data);
                    }
                    if (record != null) {
                        if (rectype == ContinueRecord.sid) {
                            dumpContinueRecord(last_record, dump, data);
                        } else {
                            last_record = record;
                            records.add(record);
                        }
                    }
                }
            } while (rectype != 0);
        } catch (IOException e) {
            throw new RecordFormatException("Error reading bytes");
        }
        Record[] retval = new Record[records.size()];

        retval = (Record[]) records.toArray(retval);
        return retval;
    }


    /**
     *  Description of the Method
     *
     *@param  last_record      Description of the Parameter
     *@param  dump             Description of the Parameter
     *@param  data             Description of the Parameter
     *@exception  IOException  Description of the Exception
     */
    private static void dumpContinueRecord(Record last_record, boolean dump, byte[] data) throws IOException {
        if (last_record == null) {
            throw new RecordFormatException(
                    "First record is a ContinueRecord??");
        }
        if (dump) {
            System.out.println(
                    "-----PRECONTINUED LAST RECORD WOULD SERIALIZE LIKE:");
            byte[] lr = last_record.serialize();

            if (lr != null) {
                HexDump.dump(last_record.serialize(),
                        0, System.out, 0);
            }
            System.out.println();
            System.out.println(
                    "-----PRECONTINUED----------------------------------");
        }
        last_record.processContinueRecord(data);
        if (dump) {
            System.out.println(
                    "-----CONTINUED LAST RECORD WOULD SERIALIZE LIKE:");
            HexDump.dump(last_record.serialize(), 0,
                    System.out, 0);
            System.out.println();
            System.out.println(
                    "-----CONTINUED----------------------------------");
        }
    }


    /**
     *  Description of the Method
     *
     *@param  data             Description of the Parameter
     *@exception  IOException  Description of the Exception
     */
    private static void dumpUnknownRecord(byte[] data) throws IOException {
        // record hex dump it!
        System.out.println(
                "-----UNKNOWN----------------------------------");
        if (data.length > 0) {
            HexDump.dump(data, 0, System.out, 0);
        } else {
            System.out.print("**NO RECORD DATA**");
        }
        System.out.println();
        System.out.println(
                "-----UNKNOWN----------------------------------");
    }


    private static void dump( short rectype, short recsize, byte[] data ) throws IOException
    {
        //                        System.out
        //                            .println("fixing to recordize the following");
        System.out.print( "rectype = 0x"
                + Integer.toHexString( rectype ) );
        System.out.println( ", recsize = 0x"
                + Integer.toHexString( recsize ) );
        System.out.println(
                "-BEGIN DUMP---------------------------------" );
        if ( data.length > 0 )
        {
            HexDump.dump( data, 0, System.out, 0 );
        }
        else
        {
            System.out.println( "**NO RECORD DATA**" );
        }
        //        System.out.println();
        System.out.println(
                "-END DUMP-----------------------------------" );
    }


    /**
     *  Essentially a duplicate of RecordFactory. Kept seperate as not to screw
     *  up non-debug operations.
     *
     *@param  rectype  Description of the Parameter
     *@param  size     Description of the Parameter
     *@param  data     Description of the Parameter
     *@return          Description of the Return Value
     */

    private static Record[] createRecord( short rectype, short size,
                                          byte[] data )
    {
        Record retval = null;
        Record[] realretval = null;

        // int irectype = rectype;
        switch ( rectype )
        {

            case ChartRecord.sid:
                retval = new ChartRecord( rectype, size, data );
                break;
            case ChartFormatRecord.sid:
                retval = new ChartFormatRecord( rectype, size, data );
                break;
            case SeriesRecord.sid:
                retval = new SeriesRecord( rectype, size, data );
                break;
            case BeginRecord.sid:
                retval = new BeginRecord( rectype, size, data );
                break;
            case EndRecord.sid:
                retval = new EndRecord( rectype, size, data );
                break;
            case BOFRecord.sid:
                retval = new BOFRecord( rectype, size, data );
                break;
            case InterfaceHdrRecord.sid:
                retval = new InterfaceHdrRecord( rectype, size, data );
                break;
            case MMSRecord.sid:
                retval = new MMSRecord( rectype, size, data );
                break;
            case InterfaceEndRecord.sid:
                retval = new InterfaceEndRecord( rectype, size, data );
                break;
            case WriteAccessRecord.sid:
                retval = new WriteAccessRecord( rectype, size, data );
                break;
            case CodepageRecord.sid:
                retval = new CodepageRecord( rectype, size, data );
                break;
            case DSFRecord.sid:
                retval = new DSFRecord( rectype, size, data );
                break;
            case TabIdRecord.sid:
                retval = new TabIdRecord( rectype, size, data );
                break;
            case FnGroupCountRecord.sid:
                retval = new FnGroupCountRecord( rectype, size, data );
                break;
            case WindowProtectRecord.sid:
                retval = new WindowProtectRecord( rectype, size, data );
                break;
            case ProtectRecord.sid:
                retval = new ProtectRecord( rectype, size, data );
                break;
            case PasswordRecord.sid:
                retval = new PasswordRecord( rectype, size, data );
                break;
            case ProtectionRev4Record.sid:
                retval = new ProtectionRev4Record( rectype, size, data );
                break;
            case PasswordRev4Record.sid:
                retval = new PasswordRev4Record( rectype, size, data );
                break;
            case WindowOneRecord.sid:
                retval = new WindowOneRecord( rectype, size, data );
                break;
            case BackupRecord.sid:
                retval = new BackupRecord( rectype, size, data );
                break;
            case HideObjRecord.sid:
                retval = new HideObjRecord( rectype, size, data );
                break;
            case DateWindow1904Record.sid:
                retval = new DateWindow1904Record( rectype, size, data );
                break;
            case PrecisionRecord.sid:
                retval = new PrecisionRecord( rectype, size, data );
                break;
            case RefreshAllRecord.sid:
                retval = new RefreshAllRecord( rectype, size, data );
                break;
            case BookBoolRecord.sid:
                retval = new BookBoolRecord( rectype, size, data );
                break;
            case FontRecord.sid:
                retval = new FontRecord( rectype, size, data );
                break;
            case FormatRecord.sid:
                retval = new FormatRecord( rectype, size, data );
                break;
            case ExtendedFormatRecord.sid:
                retval = new ExtendedFormatRecord( rectype, size, data );
                break;
            case StyleRecord.sid:
                retval = new StyleRecord( rectype, size, data );
                break;
            case UseSelFSRecord.sid:
                retval = new UseSelFSRecord( rectype, size, data );
                break;
            case BoundSheetRecord.sid:
                retval = new BoundSheetRecord( rectype, size, data );
                break;
            case CountryRecord.sid:
                retval = new CountryRecord( rectype, size, data );
                break;
            case SSTRecord.sid:
                retval = new SSTRecord( rectype, size, data );
                break;
            case ExtSSTRecord.sid:
                retval = new ExtSSTRecord( rectype, size, data );
                break;
            case EOFRecord.sid:
                retval = new EOFRecord( rectype, size, data );
                break;
            case IndexRecord.sid:
                retval = new IndexRecord( rectype, size, data );
                break;
            case CalcModeRecord.sid:
                retval = new CalcModeRecord( rectype, size, data );
                break;
            case CalcCountRecord.sid:
                retval = new CalcCountRecord( rectype, size, data );
                break;
            case RefModeRecord.sid:
                retval = new RefModeRecord( rectype, size, data );
                break;
            case IterationRecord.sid:
                retval = new IterationRecord( rectype, size, data );
                break;
            case DeltaRecord.sid:
                retval = new DeltaRecord( rectype, size, data );
                break;
            case SaveRecalcRecord.sid:
                retval = new SaveRecalcRecord( rectype, size, data );
                break;
            case PrintHeadersRecord.sid:
                retval = new PrintHeadersRecord( rectype, size, data );
                break;
            case PrintGridlinesRecord.sid:
                retval = new PrintGridlinesRecord( rectype, size, data );
                break;
            case GridsetRecord.sid:
                retval = new GridsetRecord( rectype, size, data );
                break;
            case GutsRecord.sid:
                retval = new GutsRecord( rectype, size, data );
                break;
            case DefaultRowHeightRecord.sid:
                retval = new DefaultRowHeightRecord( rectype, size, data );
                break;
            case WSBoolRecord.sid:
                retval = new WSBoolRecord( rectype, size, data );
                break;
            case HeaderRecord.sid:
                retval = new HeaderRecord( rectype, size, data );
                break;
            case FooterRecord.sid:
                retval = new FooterRecord( rectype, size, data );
                break;
            case HCenterRecord.sid:
                retval = new HCenterRecord( rectype, size, data );
                break;
            case VCenterRecord.sid:
                retval = new VCenterRecord( rectype, size, data );
                break;
            case PrintSetupRecord.sid:
                retval = new PrintSetupRecord( rectype, size, data );
                break;
            case DefaultColWidthRecord.sid:
                retval = new DefaultColWidthRecord( rectype, size, data );
                break;
            case DimensionsRecord.sid:
                retval = new DimensionsRecord( rectype, size, data );
                break;
            case RowRecord.sid:
                retval = new RowRecord( rectype, size, data );
                break;
            case LabelSSTRecord.sid:
                retval = new LabelSSTRecord( rectype, size, data );
                break;
            case RKRecord.sid:
                retval = new RKRecord( rectype, size, data );
                break;
            case NumberRecord.sid:
                retval = new NumberRecord( rectype, size, data );
                break;
            case DBCellRecord.sid:
                retval = new DBCellRecord( rectype, size, data );
                break;
            case WindowTwoRecord.sid:
                retval = new WindowTwoRecord( rectype, size, data );
                break;
            case SelectionRecord.sid:
                retval = new SelectionRecord( rectype, size, data );
                break;
            case ContinueRecord.sid:
                retval = new ContinueRecord( rectype, size, data );
                break;
            case LabelRecord.sid:
                retval = new LabelRecord( rectype, size, data );
                break;
            case MulRKRecord.sid:
                retval = new MulRKRecord( rectype, size, data );
                break;
            case MulBlankRecord.sid:
                retval = new MulBlankRecord( rectype, size, data );
                break;
            case BlankRecord.sid:
                retval = new BlankRecord( rectype, size, data );
                break;
            case BoolErrRecord.sid:
                retval = new BoolErrRecord( rectype, size, data );
                break;
            case ColumnInfoRecord.sid:
                retval = new ColumnInfoRecord( rectype, size, data );
                break;
            case MergeCellsRecord.sid:
                retval = new MergeCellsRecord( rectype, size, data );
                break;
            case AreaRecord.sid:
                retval = new AreaRecord( rectype, size, data );
                break;
            case DataFormatRecord.sid:
                retval = new DataFormatRecord( rectype, size, data );
                break;
            case BarRecord.sid:
                retval = new BarRecord( rectype, size, data );
                break;
            case DatRecord.sid:
                retval = new DatRecord( rectype, size, data );
                break;
            case PlotGrowthRecord.sid:
                retval = new PlotGrowthRecord( rectype, size, data );
                break;
            case UnitsRecord.sid:
                retval = new UnitsRecord( rectype, size, data );
                break;
            case FrameRecord.sid:
                retval = new FrameRecord( rectype, size, data );
                break;
            case ValueRangeRecord.sid:
                retval = new ValueRangeRecord( rectype, size, data );
                break;
            case SeriesListRecord.sid:
                retval = new SeriesListRecord( rectype, size, data );
                break;
            case FontBasisRecord.sid:
                retval = new FontBasisRecord( rectype, size, data );
                break;
            case FontIndexRecord.sid:
                retval = new FontIndexRecord( rectype, size, data );
                break;
            case LineFormatRecord.sid:
                retval = new LineFormatRecord( rectype, size, data );
                break;
            case AreaFormatRecord.sid:
                retval = new AreaFormatRecord( rectype, size, data );
                break;
            case LinkedDataRecord.sid:
                retval = new LinkedDataRecord( rectype, size, data );
                break;
            case FormulaRecord.sid:
                retval = new FormulaRecord( rectype, size, data );
                break;
            case SheetPropertiesRecord.sid:
                retval = new SheetPropertiesRecord( rectype, size, data );
                break;
            case DefaultDataLabelTextPropertiesRecord.sid:
                retval = new DefaultDataLabelTextPropertiesRecord( rectype, size, data );
                break;
            case TextRecord.sid:
                retval = new TextRecord( rectype, size, data );
                break;
            case AxisParentRecord.sid:
                retval = new AxisParentRecord( rectype, size, data );
                break;
            case AxisLineFormatRecord.sid:
                retval = new AxisLineFormatRecord( rectype, size, data );
                break;
            case SupBookRecord.sid:
                retval = new SupBookRecord( rectype, size, data );
                break;
            case ExternSheetRecord.sid:
                retval = new ExternSheetRecord( rectype, size, data );
                break;
            case SCLRecord.sid:
                retval = new SCLRecord( rectype, size, data );
                break;
            case SeriesToChartGroupRecord.sid:
                retval = new SeriesToChartGroupRecord( rectype, size, data );
                break;
            case AxisUsedRecord.sid:
                retval = new AxisUsedRecord( rectype, size, data );
                break;
            case AxisRecord.sid:
                retval = new AxisRecord( rectype, size, data );
                break;
            case CategorySeriesAxisRecord.sid:
                retval = new CategorySeriesAxisRecord( rectype, size, data );
                break;
            case AxisOptionsRecord.sid:
                retval = new AxisOptionsRecord( rectype, size, data );
                break;
            case TickRecord.sid:
                retval = new TickRecord( rectype, size, data );
                break;
            case SeriesTextRecord.sid:
                retval = new SeriesTextRecord( rectype, size, data );
                break;
            case ObjectLinkRecord.sid:
                retval = new ObjectLinkRecord( rectype, size, data );
                break;
            case PlotAreaRecord.sid:
                retval = new PlotAreaRecord( rectype, size, data );
                break;
            case SeriesIndexRecord.sid:
                retval = new SeriesIndexRecord( rectype, size, data );
                break;
            case LegendRecord.sid:
                retval = new LegendRecord( rectype, size, data );
                break;
            case LeftMarginRecord.sid:
                retval = new LeftMarginRecord( rectype, size, data );
                break;
            case RightMarginRecord.sid:
                retval = new RightMarginRecord( rectype, size, data );
                break;
            case TopMarginRecord.sid:
                retval = new TopMarginRecord( rectype, size, data );
                break;
            case BottomMarginRecord.sid:
                retval = new BottomMarginRecord( rectype, size, data );
                break;
            case PaletteRecord.sid:
                retval = new PaletteRecord( rectype, size, data );
                break;
            case StringRecord.sid:
                retval = new StringRecord( rectype, size, data );
                break;
            case NameRecord.sid:
                retval = new NameRecord( rectype, size, data );
                break;
            case PaneRecord.sid:
                retval = new PaneRecord( rectype, size, data );
                break;
            default:
                retval = new UnknownRecord( rectype, size, data );
        }
        if ( realretval == null )
        {
            realretval = new Record[1];
            realretval[0] = retval;
            System.out.println( "recordid = 0x" + Integer.toHexString( rectype ) + ", size =" + size );
            System.out.println( realretval[0].toString() );
        }
        return realretval;
    }


    /**
     *  Method setDump - hex dump out data or not.
     *
     *@param  dump
     */

    public void setDump(boolean dump) {
        this.dump = dump;
    }


    /**
     *  Method main with 1 argument just run straight biffview against given
     *  file<P>
     *
     *  with 2 arguments where the second argument is "on" - run biffviewer<P>
     *
     *  with hex dumps of records <P>
     *
     *  with 2 arguments where the second argument is "bfd" just run a big fat
     *  hex dump of the file...don't worry about biffviewing it at all
     *
     *@param  args
     */

    public static void main(String[] args) {
        try {
            BiffViewer viewer = new BiffViewer(args);

            if ((args.length > 1) && args[1].equals("on")) {
                viewer.setDump(true);
            }
            if ((args.length > 1) && args[1].equals("bfd")) {
                POIFSFileSystem fs =
                        new POIFSFileSystem(new FileInputStream(args[0]));
                InputStream stream =
                        fs.createDocumentInputStream("Workbook");
                int size = stream.available();
                byte[] data = new byte[size];

                stream.read(data);
                HexDump.dump(data, 0, System.out, 0);
            } else {
                viewer.run();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
